Binary Quiz
Questions: 16 · 10 minutes
1. Which binary notation has the same value as 101?
00101
110
1001
1010
2. Starting with unsigned binary 101, you append one zero on the right. What number and decimal value result?
1010, which equals 12
1010, which equals 10
10100, which equals 10
0101, which still equals 5
3. In the six-digit binary number 101000, what value does the leftmost 1 contribute?
8
32
16
40
4. A binary counter currently reads 1011. What will it display after increasing by 1?
1100
1110
1011
1010
5. What is the decimal equivalent of the binary number 1010?
8
10
12
14
6. In the binary number 10.1, what value does the first digit to the right of the binary point contribute?
One quarter
One half
One
Two
7. How do the unsigned binary numbers 0111 and 1000 compare?
They have the same value
0111 is larger by 1
1000 is larger by 1
1000 is larger by 2
8. Which binary number is equivalent to decimal 22?
11010
10101
10110
11100
9. A device stores settings using four binary digits. How many distinct bit patterns can those four digits represent?
8
15
4
16
10. A display is supposed to show binary 6, but it reads 0101. How does the displayed value differ from the intended value?
It is 2 below the intended value
It matches the intended value
It is 1 above the intended value
It is 1 below the intended value
11. A timer shows 1001 minutes in binary. What will it show three minutes later?
1010
1011
1100
1110
12. Which binary number represents decimal 13?
1101
1110
1011
1001
13. What is the result of adding binary 0101 and 0011?
1000
0110
1001
1111
14. In an unsigned binary number, what is the place value of the third digit from the right?
8
3
4
2
15. What is the largest decimal value that can be represented by three unsigned binary digits?
6
15
8
7
16. Four switches have values 8, 4, 2, and 1 from left to right. They are set to on, off, on, on. What decimal value do they represent?
9
14
13
11